130 Measurement publications and terminology
Left Ventricular End Volumes (Teichholz) in
ml
Teichholz,L.E.,T.Kreulen,M.V.Herman,et.al.
“Problemsinechocardiographicvolume
determinations:echocardiographic‐angiographic
correlationsinthepresenceorabsenceof
asynergy.”AmericanJournalofCardiology,(1976),
37:7.
LVESV=(7.0*LVDS
3
)/(2.4+LVDS)
where: LVESV=LeftVentricularEnd
SystolicVolume
LVDS=LeftVentricularDimension
atSystole
LVEDV= (7.0*LVDD
3
)/(2.4+LVDD)
where: LVEDV=LeftVentricularEnd
DiastolicVolume
LVDD=LeftVentricularDimension
atDiastole
Left Ventricular Mass in gm
Oh,J.K.,J.B.Seward,A.J.Tajik.TheEchoManual.
2ndEdition,Boston:Little,BrownandCompany,
(1999),39.
LVMass=1.04[(LVID+PWT+IVST)
3
–LVID
3
]*
0.8+0.6
where: LVID=InternalDimension
PWT=PosteriorWallThickness
IVST=InterventricularSeptal
Thickness
1.04=Specificgravityofthe
myocardium
0.8=Correctionfactor
Left Ventricular Volume: Biplane Method in
ml
Schiller,N.B.,P.M.Shah,M.Crawford,et.al.
“RecommendationsforQuantitationoftheLeft
VentriclebyTwo‐Dimensional
Echocardiography.”JournalofAmericanSocietyof
Echocardiography.September‐October1989,2:362.
where: V=Volumeinml
a=Diameter
b=Diameter
n=Numberofsegments(n=20)
L=Length
i=Segment
Left Ventricular Volume: Single Plane
Method in ml
Schiller,N.B.,P.M.Shah ,M. Crawford,et.al.
“RecommendationsforQuantitationoftheLeft
VentriclebyTwo‐Dimensional
Echocardiography.”JournalofAmericanSocietyof
Echocardiography.September‐October1989,2:362.
where: V=Volume
a=Diameter
n=Numberofsegments(n=20)
L=Length
i=Segment
Left Ventricular Dimension (LVD) Fractional
Shortening, percent
Oh,J.K.,J.B.Seward,A.J.Tajik.TheEchoManual.
Boston:Little,BrownandCompany,(1994),
43‐44.
LVDFS=((LVDD–LVDS)/LVDD)*100%
where: LVDD=LeftVentricleDimensionat
Diastole
LVDS=LeftVentricleDimensionat
Systole
V
π
4
---
⎝⎠
⎛⎞
a
i
b
i
L
n
---
⎝⎠
⎛⎞
i 1=
n
∑
=
V
π
4
---
⎝⎠
⎛⎞
a
i
2
L
n
---
⎝⎠
⎛⎞
i 1=
n
∑
=